I wouldn't worry about damage to your amp from LP clicks and pops. Over the past 10 years I've converted my LP collection to digital using Adobe Audition. It allows you to zoom in on clicks and pops and most are not more than a thousandth of a second long, even when they are loud.
Your bigger worry would be HF oscillation in the circuit due to other factors, such as the faulty preamp I noted above, but you'd need a worse case than the one I had.
Back to your original issue, there are lots of things that can cause damage to your equipment. The particular concern you had is frankly one of the more remote scenarios. If you suffer equipment damage, you're far more likely to get from one of the old fashioned and time tested methods. ;-)